Precision made fast coupling set lets you attach a 35mm camera to a tripod quickly and remove it just as easily u shaped upper portion attaches to camera39s tripod socket while the lower part mounts on the tripod just slide the two together and a spring loaded catch locks them securely in place features lower part with b 14quot 64 mm tripod thread camera plate with a 14quot 64 mm screw and sprung video pin suitable for photo and video cameras